Açıklanan C# IStructuralEquatable Kullanımı Hakkında 5 Kolay Gerçekler

Açıklanan C# IStructuralEquatable Kullanımı Hakkında 5 Kolay Gerçekler

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It's normally expected that if you implement IEquatable.Equals you will also override Object.Equals to be consistent. In this case how would you support both reference and structural equality?

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g. MyType and Object) which will still use the identity comparison. I suspect it's not a great idea to do this unless it's going to be a very heavily used type in your code, where everyone will become very familiar with it and

LBushkinLBushkin 131k3333 gold badges217217 silver badges265265 bronze badges 11 8 Why emanet't you just specify an IEqualityComparer yourself that does this? What does the IStructuralEquatable interface add to this?

Bildiğiniz kabilinden new işletmenü classlarda kullanıldığı devran dayalı classtan bir nesne dilek edilmekte ve üretilen nesne belleğin Heap kısmında muhafaza edilmektedir.

Your concern is that Object.GetHashCode() does derece provide values that are stable and the concern is very valid as sevimli be seen in the first box headed by Caution in the documentation:

The IEquatable implementation will require one less cast for these classes and kakım a result will be slightly faster than the standard object.Equals method that would be used otherwise. Birli an example see the different implementation of the two methods:

Fakat, articles1 ve articles3 dizileri aynı makale başlangıçlıklarına farklı sıralarda sahip başüstüneğundan, CompareTo metodu farklı bir haysiyet döndürür ve bu dizilerin yapısal olarak yeksan olmadığını belirtir.

The first issue we see here is that this struct is mutable in that you emanet actually change the data later on via the seki properties. There was no real reason that we introduced this except that we were used to it.

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Each of your objects should use a hashcode based on the contents of the object. If you have a value type containing 3 ints, use those when computing the hash code. Like this, all objects with identical content will have the same hash code, independent of app domain and other circumstances.

The contract of Equals differs from that of IStructuralEquatable, in that it indicates whether 2 objects are logically equal.

You observations does not conflict with the documentation and there is no bug in the implementation.

Bunun taliı rabıta, IStructuralComparable arayüzü, izlenceınızı daha modüler hale getirir ve şifre geneını azaltır. Farklı muta örgüları arasında konstrüktif zıtlaştırma işlemlemlerini bir C# IStructuralEquatable Nasıl kullanılır numara bir yerde yönetebilir ve kodunuzun bakımını kolaylaştırabilirsiniz.